You Need to Evaluate Kidney Function in a 55-Year?-Old Obese

question 21

Multiple Choice

You need to evaluate kidney function in a 55-year?-old obese man with type 2 diabetes; you ask him to collect his urine over a 24-hour period. He collects 4,320 mL of urine. The clinical laboratory returns the following results from analysis of his urine and plasma samples: · Plasma creatinine = 3.0 mg/100 mL
· Urine creatinine = 40 mg/100 mL
· Plasma potassium = 5.0 mmol/L
· Urine potassium = 20 mmol/L

What is his approximate GFR, assuming that he collected all of his urine in the 24-hour period?

• A)10 mL/min
• B)20 mL/min
• C)30 mL/min
• D)40 mL/min
• E)80 mL/min

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Definitions:

Incremental Cash Flow

The additional cash flow a business expects to generate from a particular investment or decision.

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The amount of money a person earns from their job in a year.

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